CN109713833B - High-stability motor - Google Patents
High-stability motor Download PDFInfo
- Publication number
- CN109713833B CN109713833B CN201910075224.1A CN201910075224A CN109713833B CN 109713833 B CN109713833 B CN 109713833B CN 201910075224 A CN201910075224 A CN 201910075224A CN 109713833 B CN109713833 B CN 109713833B
- Authority
- CN
- China
- Prior art keywords
- plate
- positioning
- shell
- fixing piece
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides a high-stability motor which comprises a casing, a cover plate, a fixed column, a stator assembly, a circuit board and a wire protection box, wherein the fixed column is fixedly connected to the inner side of the casing, the stator assembly is fixedly arranged in the casing, a rotor assembly is rotatably connected to the fixed column and is positioned in a connecting hole of the stator assembly, the circuit board is fixedly connected to one side of a fixing piece, which is close to a clearance port of the casing, the wire protection box is wrapped and connected to the outer part of the circuit board so as to protect the circuit board, and the wire protection box is fixedly connected with the fixing piece and the casing. According to the high-stability motor, the connecting part is arranged on one side, close to the avoidance port, of the top of the fixing piece, the extending parts are arranged at the two ends of the wire protection box, and the clamping grooves on the extending parts can be fixedly connected with the clamping blocks on the connecting parts, so that the connection among the wire protection box, the machine shell and the stator can be reinforced, and the overall stability is higher.
Description
Technical Field
The invention relates to the field of motors, in particular to a high-stability motor.
Background
The motor is an electromagnetic device for converting electric energy into mechanical energy according to the law of electromagnetic induction, and in order to meet the requirements of various industries, the motors on the market are also various. The motor generally comprises a circuit module and a wire protection box for protecting the circuit module, the motor in the prior art often has the problem that the connection among a stator assembly, a machine shell and the wire protection box is not stable enough, and even if the motor in the prior art can stably run at the initial stage of use, the instability of the motor can be further aggravated along with the increase of the use time, and then the motor vibration is increased, the noise is increased and the performance is reduced.
It is desirable to provide a highly stable motor to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a high-stability motor, which is characterized in that a connecting part is arranged at one side of the top of a fixing part, which is close to a clearance opening, and extension parts are arranged at two ends of a wire protection box, so that clamping grooves on the extension parts can be fixedly connected with clamping blocks on the connecting part, and the connection among the wire protection box, a machine shell and a stator can be reinforced, so that the overall stability is stronger, and the problem of unstable connecting structure of the motor in the prior art is solved.
In order to solve the technical problems, the technical scheme of the invention is as follows: a highly stable electric machine, comprising:
the shell is hollow and cylindrical and comprises an opening at one end for component assembly and a clearance port at one side;
the cover plate is connected to the opening in a sealing way;
the fixed column is fixedly connected to the inner side of the shell and coincides with the central axis of the shell, one end of the fixed column is in limit connection with the bottom surface in the shell, and the other end of the fixed column is in limit connection with the cover plate;
the stator assembly is fixedly arranged in the shell and comprises a fixing piece and a coil wound on the periphery of the fixing piece, and a connecting hole is formed in the middle of the fixing piece;
the rotor assembly is rotationally connected to the fixed column and is positioned in the connecting hole;
the circuit board is fixedly connected to one side, close to the avoidance port, of the fixing piece and is used for electrically connecting the coil and an external power supply; and
the wire protection box is wrapped and connected to the outside of the circuit board so as to protect the circuit board, and is fixedly connected with the fixing piece and the shell.
In the invention, a first section close to the opening and a second section far away from the opening are arranged on the inner wall of the shell, the fixing piece and the first section form a first interference connection, the fixing piece and the second section form a second interference connection, the interference force of the second interference connection is larger than that of the first interference connection, and when the fixing piece is connected at a preset installation position in the shell, the fixing piece and the second section are in interference connection.
In the invention, the fixing piece comprises a connecting part which is positioned at the top and is close to one side of the avoidance port, clamping blocks are arranged at two ends of the connecting part, extension parts are arranged at two ends of the wire protection box, clamping grooves which are fixedly connected with the clamping blocks are arranged on the extension parts, and when the clamping blocks are fixedly connected into the clamping grooves, the wire protection box seals the avoidance port.
One end of the clamping block on one side, which is far away from the fixing piece, is provided with a notch which is favorable for pulling the extension part to detach.
In addition, the two ends of the wire protection box are also provided with clamping parts, the extending parts are clamped on the inner wall surface of the shell, and the clamping parts are clamped on the outer side surface of the shell.
Further, the fixing piece is composed of an upper framework and a lower framework which are arranged in a laminated mode, the upper framework is located at one end close to the opening, a first wire groove for winding the coil is formed in the peripheral side of the upper framework, a second wire groove for winding the coil is formed in the peripheral side of the lower framework, a reinforcing part extending in the second wire groove is further arranged on the wire protection box, two ends of the reinforcing part extend, are positioned and contacted on the inner wall surface of the shell, and the fixing piece is limited between the reinforcing part and the extending part;
the stator assembly further comprises an upper pole plate, a first middle pole plate, a second middle pole plate and a lower pole plate, wherein the upper pole plate is positioned at the top of the upper framework, the first middle pole plate and the second middle pole plate are stacked between the upper framework and the lower framework, the first middle pole plate is arranged close to the upper framework, and the lower pole plate is positioned at the bottom of the lower framework;
the upper polar plate comprises a first tooth-shaped part extending into a connecting hole of the upper framework, the first middle polar plate comprises a second tooth-shaped part extending into the connecting hole of the upper framework, and the first tooth-shaped part and the second tooth-shaped part are distributed on the inner wall surface of the connecting hole in a staggered manner;
the second middle polar plate comprises a third tooth-shaped part extending in the connecting hole of the lower framework, the lower polar plate comprises a fourth tooth-shaped part extending in the connecting hole of the lower framework, and the third tooth-shaped part and the fourth tooth-shaped part are distributed on the inner wall surface of the connecting hole in a staggered manner;
the lower polar plate and the bottom plate of the shell are the same plate, and the fourth tooth-shaped part is formed by cutting and bending the bottom plate of the shell.
In the invention, a plurality of first positioning grooves are arranged at one end of the casing close to the opening, and a first positioning convex part for positioning and matching with the first positioning grooves is arranged at the periphery of the cover plate;
the top of the wire protection box is provided with a second positioning groove, and one side of the cover plate is provided with a second positioning convex part which is used for being matched with the second positioning groove in a positioning way.
The cover plate is connected with the machine shell in a clamping mode, a plurality of avoidance grooves are formed in the periphery of the cover plate in a recessed mode, the avoidance grooves are used for avoiding end portions of the machine shell to bend to form clamping connection, and the avoidance grooves are located between the two first positioning protruding portions or between the first positioning protruding portions and the second positioning protruding portions.
In the invention, the rotor assembly consists of a plastic part in the middle and a magnetic ring wrapped and arranged on the periphery of the plastic part, a through hole for rotating and connecting with the fixed column is arranged in the middle of the plastic part, one end of the plastic part is provided with a gear shaft in an extending manner, one end of the plastic part is contacted with the bottom surface in the shell through an elastic part, and the gear shaft is in limit contact with the cover plate.
Further, the high-stability motor further comprises a gear transmission system, a gear plate and an output shaft;
the top of the stator assembly is provided with a positioning hole, the gear plate is provided with a positioning convex hull for positioning connection with the positioning hole, the gear shaft is in transmission connection with the input end of the gear transmission system, the output end of the gear transmission system is in transmission connection with the output shaft, and the output shaft extends to the outside through the cover plate;
the gear plate is characterized in that extension plates are arranged on two sides of the top of the gear plate, the extension plates and the gear plate are of an integrated structure, and a strip-shaped through hole for being in positioning connection with the extension plates is formed in the cover plate.
Compared with the prior art, the invention has the beneficial effects that: according to the high-stability motor, the connecting part is arranged at one side, close to the avoidance port, of the top of the fixing piece, the extending parts are arranged at the two ends of the wire protection box, and the clamping grooves on the extending parts can be fixedly connected with the clamping blocks on the connecting parts, so that the connection among the wire protection box, the machine shell and the stator can be reinforced, and the overall stability is higher;
wherein, including the first segmentation that is close to the opening and keep away from the second segmentation of opening on the inner wall of casing, the mounting forms first interference with first segmentation and is connected, and the mounting forms second interference with the second segmentation and is connected, and the interference dynamics of second interference connection is greater than the interference dynamics of first interference connection, when the mounting is connected in the preset mounted position of casing, mounting and second segmentation interference connection for stator module both assembles easily like this, can obtain stable connection effect again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present invention.
Fig. 1 is a schematic diagram of an exploded structure of a highly stable motor of the present invention.
Fig. 2 is a schematic structural view of a preferred embodiment of the high stability motor of the present invention.
Fig. 3 is a schematic structural view of a casing of the high-stability motor of the present invention.
Fig. 4 is a schematic structural view of a fixing member and a wire protecting box of the high-stability motor of the present invention.
Fig. 5 is a schematic structural view of a stator assembly of a highly stable electric motor according to the present invention.
Fig. 6 is a schematic structural view of a rotor assembly of the high-stability motor of the present invention.
Fig. 7 is a schematic structural view of a cover plate of the high-stability motor of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The motor in the prior art often has the problem that the connection among the stator assembly, the shell and the wire protection box is not stable enough, and even if the motor in the prior art can stably operate in the initial stage of use, the instability of the motor can be further aggravated along with the increase of the service time, so that the problems of motor vibration increase, noise increase and performance reduction are caused.
The following is a preferred embodiment of a highly stable motor which solves the above technical problems.
Referring to fig. 1 and 2, fig. 1 is an exploded structure diagram of a high-stability motor according to the present invention, and fig. 2 is a structure diagram of a preferred embodiment of the high-stability motor according to the present invention.
In the drawings, like structural elements are denoted by like reference numerals.
The terms "first" and "second" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any particular order of such features, and not as a limitation on the order of such order.
In addition, the terms "top", "bottom" and the like are mainly understood to refer to the orientation shown in fig. 1.
The preferred embodiments of the highly stable motor provided by the invention are as follows: a high-stability motor comprises a shell 11, a cover plate 12, a fixing column 13, a stator assembly 14, a circuit board 16 and a wire protection box 17.
Wherein, the shell 11 is hollow and cylindrical and comprises an opening 111 at one end for assembling components and a clearance port 112 at one side;
the cover plate 12 is connected to the opening 111 in a closing manner;
the fixed column 13 is fixedly connected to the inner side of the shell 11 and coincides with the central axis of the shell 11, one end of the fixed column is in limit connection with the bottom surface in the shell 11, the other end of the fixed column is in limit connection with the cover plate 12, the fixed column 13 can be fixedly connected with the bottom surface in the shell 11, and the cover plate 12 is connected with the fixed column 13 through a through hole, so that the swing of the fixed column 13 is limited;
the stator assembly 14 is fixedly arranged in the shell 11 and comprises a fixing piece 21 and a coil wound on the periphery side of the fixing piece 21, and a connecting hole 211 is formed in the middle of the fixing piece 21;
the rotor assembly 15 is rotatably connected to the fixed column 13 and is positioned in the connecting hole 211;
the circuit board 16 is fixedly connected to one side of the fixing member 21 near the avoidance port 112, and is used for electrically connecting the coil and an external power supply, the circuit board 16 in the embodiment is welded to one side of the fixing member 21 through an electrical pin, meanwhile, the coil is electrically connected to the electrical pin, the electrical pin is not shown in the figure, and the position of the electrical pin can refer to the electrical via 161 on the circuit board 16;
the wire protecting box 17 is wrapped and connected to the outside of the circuit board 16 to protect the circuit board 16, the wire protecting box 17 is fixedly connected with the fixing piece 21 and the shell 11 at the same time, a wire hole 28 is formed in the wire protecting box 17, one end of the conductive wire is connected with the circuit board 16, and then the conductive wire extends to the outside through the wire hole 28 to be connected with an external power supply.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a casing of the high-stability motor according to the present invention.
In this embodiment, the inner wall of the casing 11 includes a first section 116 close to the opening 111 and a second section 117 far from the opening 111, the fixing member 21 and the first section 116 form a first interference connection, the fixing member 21 and the second section 117 form a second interference connection, the interference force of the second interference connection is greater than that of the first interference connection, and when the fixing member 21 is connected at a preset installation position in the casing 11, the fixing member 21 and the second section 117 are in interference connection;
this allows the stator assembly 14 to be easily assembled into the housing 11 while providing a stable connection with the housing 11 when the stator assembly 14 is in place, so that the performance of the motor is ensured, and it will be appreciated that the difference between the first segment 116 and the second segment 117 is merely in dimensional tolerance.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a fixing member and a wire protecting box of the high-stability motor according to the present invention.
The fixing member 21 in this embodiment includes a connecting portion 22 located at the top and near one side of the avoidance port 112, two ends of the connecting portion 22 are provided with a clamping block 23, two ends of the wire protection box 17 are provided with an extending portion 24, the extending portion 24 is provided with a clamping slot 241 for fixedly connecting with the clamping block 23, and when the clamping block 23 is fixedly connected into the clamping slot 241, the wire protection box 17 closes the avoidance port 112 and protects the circuit board 16.
Preferably, the end of the clamping block 23 at one side away from the fixing piece 21 is provided with a notch 231 which is favorable for pulling the extension part 24 to detach, and the notch 231 is provided to form a detaching space for the extension part 24 which is easier to pull, wherein the size of the notch 231 is 1/3 smaller than that of the complete clamping block 23, so that the strength of the fastening connection is still better.
In addition, two ends of the wire protection box 17 are also provided with clamping parts 25, the extension parts 24 are clamped on the inner wall surface of the shell 11, the clamping parts 25 are clamped on the outer side surface of the shell 11, the extension parts 24 and the clamping parts 25 are respectively clamped on two sides of the plate body of the shell 11, so that the wire protection box 17 and the shell 11 form matched connection,
because the upper portion of the wire protecting box 17 is in limit contact with the connecting portion 22, the movement of the upper portion of the wire protecting box 17 to the inner side of the casing 11 can be well limited, and therefore the clamping portion 25 can be made smaller to mainly limit the movement of the lower portion of the wire protecting box 17 to the inner side of the casing 11, and the manufacturing cost is saved.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a stator assembly of a high-stability motor according to the present invention, wherein the coils are not shown in the drawings.
The fixing member 21 in this embodiment is composed of an upper frame 31 and a lower frame 32 which are stacked, the upper frame 31 is located at one end close to the opening 111, a first wire slot 311 for winding a coil is formed in the peripheral side of the upper frame 31, a second wire slot 321 for winding a coil is formed in the peripheral side of the lower frame 32, a reinforcing portion 26 extending in the second wire slot 321 is further formed in the wire protecting box 17, two ends of the reinforcing portion 26 extend and are positioned and contacted on the inner wall surface of the casing 11, and the fixing member 21 is limited between the reinforcing portion 26 and the extending portion 24;
the stator assembly 14 further comprises an upper pole plate 33, a first middle pole plate 34, a second middle pole plate 35 and a lower pole plate, wherein the upper pole plate 33 is positioned at the top of the upper framework 31, the first middle pole plate 34 and the second middle pole plate 35 are stacked between the upper framework 31 and the lower framework 32, the first middle pole plate 34 is positioned close to the upper framework 31, and the lower pole plate is positioned at the bottom of the lower framework 32;
the upper polar plate 33 is provided with an alignment hole 332, and the upper framework 31 is provided with a positioning convex column 312, so that the upper polar plate 33 and the upper framework 31 can be positioned and matched, and it can be understood that the first middle polar plate 34 and the upper framework 31, the second middle polar plate 35 and the lower framework 32, and the upper framework 31 and the lower framework 32 can be positioned by adopting similar matching of the alignment hole and the positioning convex column.
The upper polar plate 33 comprises a first tooth-shaped part 331 extending into the connecting hole 211 on the upper framework 31, the first middle polar plate 34 comprises a second tooth-shaped part 341 extending into the connecting hole 211 of the upper framework 31, and the first tooth-shaped part 331 and the second tooth-shaped part 341 are distributed on the inner wall surface of the connecting hole 211 in a staggered way;
the second middle polar plate 35 comprises a third tooth-shaped part 351 extending in the connecting hole 211 of the lower framework 32, the lower polar plate comprises a fourth tooth-shaped part 114 extending in the connecting hole 211 of the lower framework 32, and the third tooth-shaped part 351 and the fourth tooth-shaped part 114 are distributed on the inner wall surface of the connecting hole 211 in a staggered manner;
the lower polar plate and the bottom plate of the shell 11 are the same plate, so that the manufacturing cost is saved, the assembly process is saved, meanwhile, the integral structure also has stronger structural stability, the fourth tooth-shaped part 114 is formed by cutting and bending the bottom plate of the shell 11, meanwhile, a through hole 115 is formed on the bottom plate of the shell 11, and an external part can pass through the through hole 115 to extrude the stator assembly 14, so that the motor is convenient to disassemble;
the first tooth 331, the second tooth 341, the third tooth 351, and the fourth tooth 114 are all configured to generate a magnetic field in a coil energized state to drive the rotor assembly to rotate.
Referring to fig. 3 and 7, fig. 7 is a schematic structural diagram of a cover plate of a high-stability motor according to the present invention.
In the present embodiment, a plurality of first positioning grooves 113 are provided at one end of the casing 11 near the opening 111, and a first positioning protrusion 51 for positioning engagement with the first positioning groove 113 is provided on the peripheral side of the cover plate 12;
preferably, two of the first positioning projections 51 in the present embodiment are provided on the peripheral side of the cover plate 12 in the form of lugs 52, and the lugs 52 can be positioned and fitted into the first positioning grooves 113 and can be used for mounting connection of the subsequent motor.
The top of the wire protecting box 17 is provided with a second positioning groove 27, and one side of the cover plate 12 is provided with a second positioning convex part 54 for positioning and matching with the second positioning groove 27, so that the case 11, the cover plate 12 and the wire protecting box 17 are in positioning and matching with each other, and the cover plate 12 can press and fix the wire protecting box 17 while the cover plate 12 is fixedly connected with the case 11.
Wherein, the cover plate 12 is clamped with the casing 11, a plurality of avoidance grooves 53 are concavely arranged on the periphery side of the cover plate 12, the avoidance grooves 53 are used for avoiding the end part of the casing 11 to bend so as to form clamping, the clamping means that the end part of the plate body of the casing 11 is bent and deformed into the avoidance grooves 53 by adopting a riveting process, thereby limiting and fixing the cover plate 12, and the avoidance grooves 53 are positioned between the two first positioning convex parts 51 or between the first positioning convex parts 51 and the second positioning convex parts 54.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a rotor assembly of a high-stability motor according to the present invention.
The rotor assembly 15 in this embodiment is composed of a plastic part 41 in the middle and a magnetic ring 42 wrapped around the plastic part 41, the middle of the plastic part 41 is provided with a through hole 44 for rotationally connecting with the fixed column 13, one end of the plastic part 41 is provided with a gear shaft 43 in an extending manner, and the through hole 44 also penetrates through the middle of the gear shaft 43;
meanwhile, one end of the bottom of the plastic part 41 is contacted with the bottom surface in the shell 11 through the elastic part 1A, and one end of the gear shaft 43 is in limit contact with the cover plate 12, so that a good damping effect is achieved.
The highly stable motor in this embodiment further comprises a gear train 18, a gear plate 19 and an output shaft 181;
a positioning hole 333 (refer to fig. 5) is arranged at the top of the stator assembly 14, a positioning convex hull (positioning convex part is not labeled in the figure) for positioning connection with the positioning hole 333 is arranged on the gear plate 19, the gear shaft 43 is in transmission connection with the input end of the gear transmission system 18, the output end of the gear transmission system 18 is in transmission connection with the output shaft 181, and the output shaft 181 passes through the cover plate 12 and extends to the outside;
extension plates 191 are arranged on two sides of the top of the gear plate 19, the extension plates 191 and the gear plate 19 are of an integrated structure, and a strip-shaped through hole 55 for positioning connection with the extension plates 191 is arranged on the cover plate 12, and the gear plate 19 is connected to the top of the stator assembly 14;
specifically, an end block for positioning connection with the elongated through hole 55 is disposed on the extension plate 191, and the length of the end block is smaller than that of the extension plate 191, so that when the end block is positioned and connected with the elongated through hole 55, the cover plate 12 can also form good press-fixing for the stator assembly 14 through press-fixing the extension plate 191.
Thus, the stator assembly 14, as well as the rotor assembly 15, can be stably disposed within the interior cavity of the housing 11 with the cover plate 12 forming a stable connection with the housing 11.
In addition, a plurality of connection posts for rotationally connecting a plurality of gears of the transmission system 18 are provided on the gear plate 19, and the connection posts are not labeled one by one.
The working principle of the invention is as follows: firstly, taking an upper framework 31 and a lower framework 32 which are wound with coils, taking a first middle polar plate 34 and a second middle polar plate 35, and laminating and fixing the first middle polar plate 34 and the second middle polar plate 35 between the upper framework 31 and the lower framework 32;
then, the circuit board 16 welded with the conductive wire is taken and welded on one side of the fixing piece 21 through an electrical contact pin, the coil is electrically connected to the electrical contact pin, the upper polar plate 33 is taken and fixedly arranged on the top of the upper framework 31, and the rotor assembly 15 is taken and arranged in the connecting hole of the stator assembly 14;
taking the wire protecting box 17, enabling the conductive wire to pass through the wire hole 28, clamping the wire protecting box 17 to the clamping block 23 through the clamping groove 241, enabling the reinforcing part 26 to extend into the second wire groove 321 while clamping the wire protecting box 17 and the fixing part 21, and limiting the fixing part 21 between the reinforcing part 26 and the extending part 24;
then, taking the shell 11, coating lubricating grease on the bottom in the shell 11, taking the elastic piece 1A and assembling the elastic piece on the fixed column 13, taking the connecting component structure of the stator component 14, the rotor component 15 and the wire protection box 17, and assembling the connecting component structure into the shell 11 through the opening 111;
in the assembly process, the stator assembly 14 is in interference fit with the inner wall of the shell 11 preferentially, and meanwhile, the wire protecting box 17 is fixedly connected with the stator assembly 14, so that the plate body of the shell 11 can be smoothly connected between the extending part 24 and the clamping part 25 in a sliding manner in the subsequent extrusion process to the shell 11;
when the connection assembly structure is slid into bottom limit contact with the housing 11, this indicates that the assembly is in place.
Next, the gear plate 19 and the gears of the transmission system 18 are mounted one by one;
finally, the cover plate 12 is taken, the first positioning convex part 51 is matched into the first positioning groove 113 in a positioning way, the second positioning convex part 54 is matched into the second positioning groove 27, so that the cover plate 12 and the shell 11 form positioning connection, and then the end part of the plate body of the shell 11 is bent and deformed into the avoiding groove 53, so that limit fixing is formed on the cover plate 12.
This completes the assembly process of the highly stable motor of the preferred embodiment.
The high-stability motor of the preferred embodiment is characterized in that the connecting part is arranged at one side, close to the avoidance port, of the top of the fixing piece, the extending parts are arranged at the two ends of the wire protection box, and the clamping grooves on the extending parts can be fixedly connected with the clamping blocks on the connecting parts, so that the connection among the wire protection box, the machine shell and the stator can be reinforced, and the overall stability is stronger;
wherein, including the first segmentation that is close to the opening and keep away from the second segmentation of opening on the inner wall of casing, the mounting forms first interference with first segmentation and is connected, and the mounting forms second interference with the second segmentation and is connected, and the interference dynamics of second interference connection is greater than the interference dynamics of first interference connection, when the mounting is connected in the preset mounted position of casing, mounting and second segmentation interference connection for stator module both assembles easily like this, can obtain stable connection effect again.
In summary, although the present invention has been described in terms of the preferred embodiments, the preferred embodiments are not limited to the above embodiments, and various modifications and changes can be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is defined by the appended claims.
Claims (8)
1. A highly stable electric machine comprising:
the shell is hollow and cylindrical and comprises an opening at one end for component assembly and a clearance port at one side;
the cover plate is connected to the opening in a sealing way;
the fixed column is fixedly connected to the inner side of the shell and coincides with the central axis of the shell, one end of the fixed column is in limit connection with the bottom surface in the shell, and the other end of the fixed column is in limit connection with the cover plate;
the stator assembly is fixedly arranged in the shell and comprises a fixing piece and a coil wound on the periphery of the fixing piece, and a connecting hole is formed in the middle of the fixing piece;
the rotor assembly is rotationally connected to the fixed column and is positioned in the connecting hole;
the circuit board is fixedly connected to one side, close to the avoidance port, of the fixing piece and is used for electrically connecting the coil and an external power supply; and
the wire protection box is wrapped and connected to the outside of the circuit board to protect the circuit board, and is fixedly connected with the fixing piece and the shell at the same time;
the inner wall of the shell comprises a first section close to the opening and a second section far away from the opening, the fixing piece and the first section form first interference connection, the fixing piece and the second section form second interference connection, the interference force of the second interference connection is larger than that of the first interference connection, and when the fixing piece is connected to a preset installation position in the shell, the fixing piece and the second section are in interference connection;
the fixing piece comprises a connecting part which is positioned at the top and is close to one side of the avoidance port, clamping blocks are arranged at two ends of the connecting part, extension parts are arranged at two ends of the wire protection box, clamping grooves which are fixedly connected with the clamping blocks are formed in the extension parts, and when the clamping blocks are fixedly connected into the clamping grooves, the wire protection box is used for sealing the avoidance port.
2. The high stability motor of claim 1, wherein one end of the detent block on one side remote from the mount is provided with a notch that facilitates pulling the extension for disassembly.
3. The highly stable motor according to claim 1, wherein both ends of the wire-protecting case are further provided with a detent portion, the extension portion is snapped onto the inner wall surface of the housing, and the detent portion is snapped onto the outer side surface of the housing.
4. The high-stability motor according to claim 1, wherein the fixing member is composed of an upper skeleton and a lower skeleton which are laminated, the upper skeleton is located at one end close to the opening, a first wire groove for winding the coil is formed in the peripheral side of the upper skeleton, a second wire groove for winding the coil is formed in the peripheral side of the lower skeleton, a reinforcing portion extending in the second wire groove is further formed in the wire protecting box, two ends of the reinforcing portion extend and are positioned and contacted on the inner wall surface of the casing, and the fixing member is limited between the reinforcing portion and the extending portion;
the stator assembly further comprises an upper pole plate, a first middle pole plate, a second middle pole plate and a lower pole plate, wherein the upper pole plate is positioned at the top of the upper framework, the first middle pole plate and the second middle pole plate are stacked between the upper framework and the lower framework, the first middle pole plate is arranged close to the upper framework, and the lower pole plate is positioned at the bottom of the lower framework;
the upper polar plate comprises a first tooth-shaped part extending into a connecting hole of the upper framework, the first middle polar plate comprises a second tooth-shaped part extending into the connecting hole of the upper framework, and the first tooth-shaped part and the second tooth-shaped part are distributed on the inner wall surface of the connecting hole in a staggered manner;
the second middle polar plate comprises a third tooth-shaped part extending in the connecting hole of the lower framework, the lower polar plate comprises a fourth tooth-shaped part extending in the connecting hole of the lower framework, and the third tooth-shaped part and the fourth tooth-shaped part are distributed on the inner wall surface of the connecting hole in a staggered manner;
the lower polar plate and the bottom plate of the shell are the same plate, and the fourth tooth-shaped part is formed by cutting and bending the bottom plate of the shell.
5. The highly stable motor according to claim 1, wherein a plurality of first positioning grooves are provided at one end of the casing near the opening, and a first positioning protrusion for positioning engagement with the first positioning grooves is provided at a peripheral side of the cover plate;
the top of the wire protection box is provided with a second positioning groove, and one side of the cover plate is provided with a second positioning convex part which is used for being matched with the second positioning groove in a positioning way.
6. The high-stability motor according to claim 5, wherein the cover plate is clamped with the housing, a plurality of clearance grooves are formed in the periphery of the cover plate in a concave manner, the clearance grooves are used for avoiding the end portions of the housing to bend to form the clamping connection, and the clearance grooves are located between the two first positioning protruding portions or between the first positioning protruding portions and the second positioning protruding portions.
7. The high-stability motor according to claim 1, wherein the rotor assembly is composed of a plastic part in the middle and a magnetic ring wrapped and arranged on the periphery of the plastic part, a through hole for rotationally connecting with the fixing column is formed in the middle of the plastic part, a gear shaft is arranged at one end of the plastic part in an extending mode, one end of the plastic part is in contact with the bottom surface in the casing through an elastic part, and the gear shaft is in limiting contact with the cover plate.
8. The high stability electric machine of claim 7, further comprising a gear train, a gear plate, and an output shaft;
the top of the stator assembly is provided with a positioning hole, the gear plate is provided with a positioning convex hull for positioning connection with the positioning hole, the gear shaft is in transmission connection with the input end of the gear transmission system, the output end of the gear transmission system is in transmission connection with the output shaft, and the output shaft extends to the outside through the cover plate;
the gear plate is characterized in that extension plates are arranged on two sides of the top of the gear plate, the extension plates and the gear plate are of an integrated structure, and a strip-shaped through hole for being in positioning connection with the extension plates is formed in the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075224.1A CN109713833B (en) | 2019-01-25 | 2019-01-25 | High-stability motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075224.1A CN109713833B (en) | 2019-01-25 | 2019-01-25 | High-stability motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109713833A CN109713833A (en) | 2019-05-03 |
| CN109713833B true CN109713833B (en) | 2023-09-15 |
Family
ID=66262981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910075224.1A Active CN109713833B (en) | 2019-01-25 | 2019-01-25 | High-stability motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109713833B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398255A (en) * | 2020-09-15 | 2021-02-23 | 深圳市正德智控股份有限公司 | Stator coil rack of stepping motor and stepping motor |
| CN114499100A (en) * | 2022-02-11 | 2022-05-13 | 湖南智力电机有限公司 | Speed-reducing stepping motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008021401A2 (en) * | 2006-08-16 | 2008-02-21 | Gary Dickes | Permanent magnet alternator with segmented construction |
| KR20090092524A (en) * | 2008-02-27 | 2009-09-01 | 엘지이노텍 주식회사 | Flat type vibration motor |
| CN204706986U (en) * | 2015-05-06 | 2015-10-14 | 常州欧凯电器有限公司 | Without the stepping motor of pin configuration |
| CN106374656A (en) * | 2016-11-08 | 2017-02-01 | 天津深之蓝海洋设备科技有限公司 | Separated motor rotor rotating shaft, ROV propeller motor, ROV propeller and ROV |
| CN206932140U (en) * | 2017-06-20 | 2018-01-26 | 深圳市金峰精密机械电子有限公司 | A kind of micro-step motor with new line protecting box |
| CN207166273U (en) * | 2017-09-29 | 2018-03-30 | 常州欧凯电器有限公司 | Without the leaded structure stepper motor of wiring board |
| CN108667167A (en) * | 2018-06-15 | 2018-10-16 | 珠海格力电器股份有限公司 | A kind of assembling method of stator core, stator module, motor and stator core |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011004852A1 (en) * | 2011-02-28 | 2012-08-30 | Siemens Aktiengesellschaft | Rotor for an electric machine |
| US20140175957A1 (en) * | 2012-05-30 | 2014-06-26 | Zhongshan Broad-Ocean Motor Co., Ltd. | Rotor assembly and brushless dc motor comprising the same |
-
2019
- 2019-01-25 CN CN201910075224.1A patent/CN109713833B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008021401A2 (en) * | 2006-08-16 | 2008-02-21 | Gary Dickes | Permanent magnet alternator with segmented construction |
| KR20090092524A (en) * | 2008-02-27 | 2009-09-01 | 엘지이노텍 주식회사 | Flat type vibration motor |
| CN204706986U (en) * | 2015-05-06 | 2015-10-14 | 常州欧凯电器有限公司 | Without the stepping motor of pin configuration |
| CN106374656A (en) * | 2016-11-08 | 2017-02-01 | 天津深之蓝海洋设备科技有限公司 | Separated motor rotor rotating shaft, ROV propeller motor, ROV propeller and ROV |
| CN206932140U (en) * | 2017-06-20 | 2018-01-26 | 深圳市金峰精密机械电子有限公司 | A kind of micro-step motor with new line protecting box |
| CN207166273U (en) * | 2017-09-29 | 2018-03-30 | 常州欧凯电器有限公司 | Without the leaded structure stepper motor of wiring board |
| CN108667167A (en) * | 2018-06-15 | 2018-10-16 | 珠海格力电器股份有限公司 | A kind of assembling method of stator core, stator module, motor and stator core |
Non-Patent Citations (1)
| Title |
|---|
| 永磁同步电机振动特性模态研究;黄克峰;徐晔;王金全;;电机与控制应用(第03期);第27-32页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109713833A (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5984163B2 (en) | Drive controller integrated rotating electric machine | |
| EP2619457B1 (en) | A compressor for a vehicle | |
| US7816827B2 (en) | Brushless motor | |
| US9531232B2 (en) | Rotating electrical machine incorporating drive device | |
| CN109713833B (en) | High-stability motor | |
| JP5611452B2 (en) | Rotating electric machine | |
| JPWO2012090295A1 (en) | Stator and rotating electric machine including the stator | |
| KR20100012403A (en) | Connecting structure between step actuator and cases of printed circuit board | |
| US8643237B2 (en) | Motor support structure and actuator incorporating same | |
| EP3787153B1 (en) | Brushed permanent magnet micromotor and assembly method therefor | |
| CN203206066U (en) | Direct-current plastic packaged motor | |
| US10141808B2 (en) | Motor | |
| EP3896308B1 (en) | Electronic parking brake actuator assembly | |
| KR101573317B1 (en) | Motor-driven compressor | |
| WO2000014857A1 (en) | Geared motor | |
| CN109617314B (en) | Gear transmission structure and corresponding motor | |
| CN212676963U (en) | Claw pole plate structure and claw pole type permanent magnet synchronous motor using same | |
| JP2896059B2 (en) | Outer rotor type brushless DC motor | |
| JP5227869B2 (en) | Electric motor | |
| JP3015644B2 (en) | Outer rotor type brushless DC motor | |
| JP4372130B2 (en) | motor | |
| CN220711268U (en) | External rotor type brushless motor unit and brushless motor with decelerator | |
| CN113708588B (en) | Vibration motor | |
| JP6246416B2 (en) | Rotating electric machine | |
| JP3011597B2 (en) | Outer rotor type brushless DC motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |